| Année | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Respect de l'objectif | non | non | non | non | non | non | non | non | non | non | non | non | non | non | non | non | non | non | non |
| Pourcentage de dépassements | 75% | 50% | 83% | 58% | 67% | 75% | 83% | 75% | 33% | 42% | 83% | 67% | 67% | 42% | 25% | 42% | 42% | 75% | 67% |
| Nb de dépassements / Nb de mesures | 9/12 | 6/12 | 10/12 | 7/12 | 8/12 | 9/12 | 10/12 | 9/12 | 4/12 | 5/12 | 10/12 | 8/12 | 8/12 | 5/12 | 3/12 | 5/12 | 5/12 | 9/12 | 8/12 |